My sister met him at the Grand Theater yesterday afternoon, so he ＿＿＿＿ your lecture．
| A．couldn't have attended | B．needn't have attended |
| C．mustn't have attended | D．shouldn't have attended |
Chan’s restaurant on Baker Street, ___ ___ used to be poorly run, is now a successful business.
| A．that | B．which |
| C．who | D．where |
Those successful deaf dancers think that dancing is an activity ___ ___ sight matters more than hearing.
| A．when | B．whose |
| C．which | D．where |
It is reported that two schools, ___ ___ are being built in my hometown, will open next year.
| A．they both | B．which both |
| C．both of them | D．both of which |
The book was written in 1946, ___ ___ the education system has witnessed great charges.
| A．when | B．during which |
| C．since then | D．since when |
—Where did you get to know her?
—It was on the farm ___ ___ we worked.
| A．that | B．there |
| C．which | D．where |